eSheet™ Expanded PTFE Gaskets

FEATURES

• COMPATIBLE WITH MOST CHEMICALS
• SOFT AND CONFORMABLE
• RESISTS CREEP AND COLD FLOW:
• DIMENSIONALLY STABLE:
• UNLIMITED SHELF LIFE
  
• U-V RESISTANT
  
• FLAME RESISTANT
  

SPECIFICATIONS

Sheet Size = 1500mm x 1500mm (59” x 59”)

• Thickness = 0.75mm (1/32”), 3.0mm (1/8”), 1.0mm (0.040”), 4.5mm (3/16”), 1.5mm (1/16”), 6.0mm (1/4”), 0.5mm, 2.0mm, 2.5mm, 4.0mm, 5.0mm, 9.0mm available upon request
• Thickness Tolerance = 0.5mm – 2.0mm +15%, -10%, 3.0mm – 9.0mm +10%, -10%
• Composition = 100% PTFE
• Color = White
• Density = 0.8 g/cc
• Pressure = Full Vacuum to 3,000 psi, (Full Vacuum to 210 bar)
• Temperature = -400 to 525⁰F (-240 to 260⁰C), 600⁰F (315⁰C) intermittent
• pH = 0-14 (resistant to all common chemicals, except molten alkali metals and elemental fluorine)

PHYSICAL PROPERTIES

• Compressibility ASTM F36 = 61%
  
• Recovery ASTM F36 = 18%
• Tensile Strength ASTM F152 = 3200 psi
  
• Elongation ASTM F152 = 200%
• Design Values:
  • m = 2.5, Y = 2900 psi, P X T (psi x °F) = 350,000

TEST RESULTS

• HOBT1 = 1/8" 302°F and 2500 psi Single Test, NO BLOWOUT
• HOBT2 = 1/8" CLASS 150 No Thermal Cycles, 700F and 435 psi , NO BLOWOUT
• HOBT2 with Thermal Cycles = 1/8" CLASS 300 - Reserve Temp 500°F (tested data)
• TA Luft (VDI 2440) = 4.4E-07 mbar x l /(s x m) <1.0E-04 x l / (s x m) PASS 1/8"
• EN 13555 1/8" = Tightness Class L Qsmin / L0.0001 for 2755 psi, with He @ 580 psi

APPROVALS

• USP Class VI Biocompatibility
• FDA 21CFR177.1550 Indirect Food Additives - Polymers
• EU REG 10/2011 Plastic Materials intended for food contact
• TA LUFT VDI 2440 Emmision control - mineral oil refineries
• BAM Reactivity with Oxygen
• DVGW DIN 3535-6 Gaskets for Gas Supply (gas valves, Gas Appliances, and Gas Mains)